Keithley 220

Programmable current source

Produced from (?) to (?)

Manuals

Keithley 220 manual 220-901-01 Rev.H (2000)

ROM/PLD Images

File	Pos.	Checksum

(Manuals are OCRed PDF files unless noted otherwise)

Manuals – Specifications – Links – Pictures

The Keithley 220 is a programmable current source.

Key Specifications

Current	±101.00 mA in 50 μA steps down to ±1.9995 nA in 500 fA steps (decade ranges)
Voltage	Programmable limit, bipolar, 1 V to 105 V in 1 V steps
Output impedance	>10¹⁴ Ω (1 nA range) // <20 pF
Features	manual or automatic increment/decrement, selectable dwell times, external Trigger input and output, GPIB interface and four TTL I/O lines standard

Links

See also Keithley 224 Current Source that shares a motherboard (digital section and power supply) with the 220
See also Keithley 230 Voltage Source
Keithley 220 Programmable Current Source Repair Part 1 / Part 2 / Part 3 / Part 4 by Defpom @ YouTube

Pictures

please add

Components

Some Parts Used in the Keithley 220

Part	Part Number(s)	Class	Description	Used in
2114 SRAM	156-1028-00 • 156-1461-00	Monolithic integrated circuit	1K×4 SRAM	5D10 • Keithley 220
2732	156-1403-00 • 156-1598-00	Monolithic integrated circuit	4K×8 EPROM	2445A • 2455A • 2465A • 2467 • DM5010 • Keithley 175 • Keithley 181 • Keithley 192 • Keithley 220 • Keithley 224 • TransEra 741-RTC
MOS Technology 6522	156-1539-00	Monolithic integrated circuit	"Versatile Interface Adapter (VIA)"	FG5010 • MI5010 • SI5010 • Keithley 181 • Keithley 181A • Keithley 192 • Keithley 193A • Keithley 195 • Keithley 195A • Keithley 196 • Keithley 199 • Keithley 220 • Keithley 224 • Keithley 230
Motorola 6800	156-0426-00 • 156-0426-01 • 156-0426-04 • 156-0426-05 • 156-1342-00 • 156-1342-01 • 156-2413-00	Monolithic integrated circuit	8-bit microprocessor	021-0206-00 • 021-0374-00 • 067-0902-00 • 067-1137-99 • 2211 • 2445 • 2465 • 2467 • 2754 • 2754P • 4041 • 4051 • 4662 • 4663 • 4692 • 4924 • 4907 • 7912 • 7912AD • 7A16P • 7A29P • 7B81P • 7B90P • 833 • 834 • 835 • 836 • AA5001 • CG5001 • CG551AP • CG5010 • CG5011 • DA4084 • DF1 • DF2 • DM5010 • FG5010 • MI5010 • SI5010 • PS5004 • PS5010 • SG5010 • TDS540 • Keithley 181 • Keithley 191 • Keithley 192 • Keithley 195 • Keithley 195A • Keithley 220 • Keithley 224 • Keithley 230
TMS9914	156-1444-00 • 156-1444-01 • 156-6223-02	Monolithic integrated circuit	GPIB controller	11301 • 11301A • 11302 • 11302A • 2220 • 2221 • 2224 • 2230 • 2424L • 2430 • 2430A • 2440 • 2710 • 2711 • 2712 • 370 • 370A • 370B • 371 • 371A • 4041 • 4052A • 4054A • 021-0374-00 • 067-1137-99 • AA5001 • AM700 • DA4084 • DC5009 • DC5010 • DM5010 • DM5110 • DM5120 • DM5520 • FG5010 • MI5010 • SG5010 • SG5030 • SI5010 • SI5020 • PS5004 • PS5010 • Keithley 175 • Keithley 175A • Keithley 182 • Keithley 193A • Keithley 195 • Keithley 195A • Keithley 196 • Keithley 197 • Keithley 199 • Keithley 220 • Keithley 224 • Keithley 230 • Keithley 263 • Keithley 485 • Keithley 617 • TDS420 • TDS420A • TDS460 • TDS520